./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3399d68d5f538e178264c8cc09444ea6c28026f61fb8e4808b455fab52f2fa4f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:34:35,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:34:35,190 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:34:35,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:34:35,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:34:35,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:34:35,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:34:35,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:34:35,218 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:34:35,219 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:34:35,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:34:35,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:34:35,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:34:35,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:34:35,220 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:34:35,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:34:35,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:34:35,220 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:34:35,221 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:34:35,222 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:34:35,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:35,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:35,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:35,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:35,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:34:35,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:35,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:35,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:34:35,223 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3399d68d5f538e178264c8cc09444ea6c28026f61fb8e4808b455fab52f2fa4f [2025-01-09 12:34:35,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:34:35,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:34:35,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:34:35,465 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:34:35,466 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:34:35,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i [2025-01-09 12:34:36,634 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ed18e5b1c/e5d96ed69ac347d39ec1da89a5cd4bc8/FLAGaafcb3dbd [2025-01-09 12:34:36,866 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:34:36,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i [2025-01-09 12:34:36,899 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ed18e5b1c/e5d96ed69ac347d39ec1da89a5cd4bc8/FLAGaafcb3dbd [2025-01-09 12:34:37,223 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ed18e5b1c/e5d96ed69ac347d39ec1da89a5cd4bc8 [2025-01-09 12:34:37,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:34:37,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:34:37,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:37,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:34:37,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:34:37,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ced97c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37, skipping insertion in model container [2025-01-09 12:34:37,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:34:37,351 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i[917,930] [2025-01-09 12:34:37,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:37,402 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:34:37,412 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i[917,930] [2025-01-09 12:34:37,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:37,447 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:34:37,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37 WrapperNode [2025-01-09 12:34:37,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:37,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:37,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:34:37,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:34:37,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,479 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2025-01-09 12:34:37,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:37,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:34:37,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:34:37,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:34:37,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,502 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 12:34:37,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,512 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:34:37,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:34:37,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:34:37,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:34:37,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:37,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:37,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:34:37,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:34:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:34:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:34:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:34:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:34:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:34:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:34:37,635 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:34:37,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:34:37,829 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-01-09 12:34:37,829 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:34:37,838 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:34:37,838 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:34:37,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:37 BoogieIcfgContainer [2025-01-09 12:34:37,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:34:37,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:34:37,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:34:37,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:34:37,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:34:37" (1/3) ... [2025-01-09 12:34:37,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167d0891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:37, skipping insertion in model container [2025-01-09 12:34:37,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (2/3) ... [2025-01-09 12:34:37,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167d0891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:37, skipping insertion in model container [2025-01-09 12:34:37,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:37" (3/3) ... [2025-01-09 12:34:37,846 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-74.i [2025-01-09 12:34:37,856 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:34:37,857 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-74.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:34:37,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:34:37,910 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ecb99f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:34:37,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:34:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 12:34:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-09 12:34:37,920 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:37,921 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:37,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:37,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:37,925 INFO L85 PathProgramCache]: Analyzing trace with hash 997367281, now seen corresponding path program 1 times [2025-01-09 12:34:37,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:34:37,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750847607] [2025-01-09 12:34:37,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:37,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:34:38,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 12:34:38,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 12:34:38,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:38,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:34:38,131 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-01-09 12:34:38,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:34:38,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750847607] [2025-01-09 12:34:38,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750847607] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:34:38,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479141191] [2025-01-09 12:34:38,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:38,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:34:38,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:38,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 12:34:38,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 12:34:38,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 12:34:38,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 12:34:38,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:38,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:34:38,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:34:38,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:34:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-01-09 12:34:38,254 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:34:38,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479141191] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:34:38,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 12:34:38,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 12:34:38,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12922841] [2025-01-09 12:34:38,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:34:38,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:34:38,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:34:38,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:34:38,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:34:38,280 INFO L87 Difference]: Start difference. First operand has 53 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 12:34:38,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:34:38,307 INFO L93 Difference]: Finished difference Result 100 states and 166 transitions. [2025-01-09 12:34:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:34:38,308 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2025-01-09 12:34:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:34:38,312 INFO L225 Difference]: With dead ends: 100 [2025-01-09 12:34:38,312 INFO L226 Difference]: Without dead ends: 50 [2025-01-09 12:34:38,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:34:38,316 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 12:34:38,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:34:38,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-01-09 12:34:38,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-01-09 12:34:38,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 12:34:38,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2025-01-09 12:34:38,340 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 109 [2025-01-09 12:34:38,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:34:38,341 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2025-01-09 12:34:38,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 12:34:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2025-01-09 12:34:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-09 12:34:38,343 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:38,344 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:38,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 12:34:38,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 12:34:38,545 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:38,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:38,545 INFO L85 PathProgramCache]: Analyzing trace with hash 992561703, now seen corresponding path program 1 times [2025-01-09 12:34:38,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:34:38,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978115103] [2025-01-09 12:34:38,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:38,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:34:38,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 12:34:38,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 12:34:38,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:38,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:34:38,705 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:34:38,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 12:34:38,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 12:34:38,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:38,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:34:38,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:34:38,880 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:34:38,881 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:34:38,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 12:34:38,884 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 12:34:38,941 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:34:38,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:34:38 BoogieIcfgContainer [2025-01-09 12:34:38,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:34:38,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:34:38,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:34:38,944 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:34:38,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:37" (3/4) ... [2025-01-09 12:34:38,946 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:34:38,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:34:38,947 INFO L158 Benchmark]: Toolchain (without parser) took 1721.28ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 101.1MB in the end (delta: 22.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2025-01-09 12:34:38,947 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:38,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.57ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 109.9MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:34:38,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.49ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:34:38,948 INFO L158 Benchmark]: Boogie Preprocessor took 42.81ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 106.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:38,948 INFO L158 Benchmark]: RCFGBuilder took 312.35ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 91.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:34:38,948 INFO L158 Benchmark]: TraceAbstraction took 1102.93ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 101.1MB in the end (delta: -10.6MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2025-01-09 12:34:38,948 INFO L158 Benchmark]: Witness Printer took 2.53ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 101.1MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:38,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.57ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 109.9MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.49ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.81ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 106.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 312.35ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 91.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1102.93ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 101.1MB in the end (delta: -10.6MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Witness Printer took 2.53ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 101.1MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 25; [L23] double var_1_2 = 63.25; [L24] double var_1_3 = 3.779; [L25] double var_1_4 = 31.6; [L26] double var_1_5 = 100.5; [L27] unsigned long int var_1_6 = 64; [L28] unsigned long int var_1_7 = 3150951169; [L29] unsigned long int var_1_8 = 128; [L30] unsigned long int var_1_9 = 1; [L31] unsigned char var_1_10 = 1; [L32] double var_1_11 = 9.3; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_15 = 1; [L35] unsigned char var_1_16 = 1; [L36] unsigned char last_1_var_1_16 = 1; VAL [isInitial=0, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L108] isInitial = 1 [L109] FCALL initially() [L111] CALL updateLastVariables() [L101] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L111] RET updateLastVariables() [L112] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L72] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L73] var_1_3 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L74] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L75] var_1_4 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L76] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L77] var_1_5 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L78] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L81] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L83] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L84] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L85] var_1_8 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_9=1] [L86] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=1] [L87] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=1] [L88] var_1_9 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649] [L89] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649] [L90] CALL assume_abort_if_not(var_1_9 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L90] RET assume_abort_if_not(var_1_9 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L91] var_1_11 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L92] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L93] var_1_14 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L94] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L95] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L95] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L96] var_1_15 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L97] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L98] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L98] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L112] RET updateVariables() [L113] CALL step() [L40] unsigned char stepLocal_0 = last_1_var_1_16 && last_1_var_1_16; VAL [isInitial=1, last_1_var_1_16=1, stepLocal_0=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L41] COND TRUE (var_1_5 > var_1_11) || stepLocal_0 [L42] var_1_10 = var_1_14 VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L46] unsigned char stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_16=1, stepLocal_1=0, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L47] COND FALSE !(stepLocal_1 && var_1_10) [L54] var_1_16 = var_1_15 VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L56] COND TRUE ((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5 [L57] var_1_1 = ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=4, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5) ? (var_1_1 == ((unsigned long int) ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))))) : ((var_1_2 >= (var_1_3 + var_1_5)) ? ((var_1_4 > (- var_1_5)) ? (var_1_1 == ((unsigned long int) var_1_6)) : (var_1_1 == ((unsigned long int) var_1_9))) : (var_1_1 == ((unsigned long int) var_1_6)))) && (((var_1_5 > var_1_11) || (last_1_var_1_16 && last_1_var_1_16)) ? (var_1_10 == ((unsigned char) var_1_14)) : (var_1_10 == ((unsigned char) (var_1_14 && (! var_1_15)))))) && ((var_1_10 && var_1_10) ? ((var_1_4 < (- var_1_5)) ? (var_1_16 == ((unsigned char) var_1_15)) : (var_1_16 == ((unsigned char) var_1_15))) : (var_1_16 == ((unsigned char) var_1_15))) ; VAL [\result=0, isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=4, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=4, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=4, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 72 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1056/1088 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 12:34:38,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3399d68d5f538e178264c8cc09444ea6c28026f61fb8e4808b455fab52f2fa4f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:34:40,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:34:41,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:34:41,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:34:41,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:34:41,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:34:41,123 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:34:41,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:34:41,124 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:34:41,124 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:34:41,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:34:41,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:34:41,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:34:41,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:34:41,124 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:34:41,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:34:41,125 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:34:41,126 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:41,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:41,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:41,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:41,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:41,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:34:41,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:34:41,127 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:34:41,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:34:41,127 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:34:41,127 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:34:41,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:34:41,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:34:41,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:34:41,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:34:41,128 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3399d68d5f538e178264c8cc09444ea6c28026f61fb8e4808b455fab52f2fa4f [2025-01-09 12:34:41,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:34:41,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:34:41,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:34:41,424 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:34:41,425 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:34:41,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i [2025-01-09 12:34:42,726 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b3fd3c09d/6bd81a8342aa4b598d649e5b0bacf433/FLAGee22560fc [2025-01-09 12:34:42,924 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:34:42,925 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i [2025-01-09 12:34:42,932 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b3fd3c09d/6bd81a8342aa4b598d649e5b0bacf433/FLAGee22560fc [2025-01-09 12:34:42,944 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b3fd3c09d/6bd81a8342aa4b598d649e5b0bacf433 [2025-01-09 12:34:42,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:34:42,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:34:42,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:42,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:34:42,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:34:42,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:42" (1/1) ... [2025-01-09 12:34:42,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573aa38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:42, skipping insertion in model container [2025-01-09 12:34:42,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:42" (1/1) ... [2025-01-09 12:34:42,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:34:43,076 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i[917,930] [2025-01-09 12:34:43,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:43,124 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:34:43,134 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i[917,930] [2025-01-09 12:34:43,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:43,167 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:34:43,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43 WrapperNode [2025-01-09 12:34:43,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:43,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:43,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:34:43,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:34:43,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,207 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2025-01-09 12:34:43,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:43,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:34:43,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:34:43,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:34:43,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,219 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,230 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 12:34:43,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:34:43,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:34:43,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:34:43,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:34:43,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:43,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:43,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:34:43,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:34:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:34:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:34:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:34:43,305 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:34:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:34:43,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:34:43,366 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:34:43,368 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:34:43,960 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-01-09 12:34:43,960 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:34:43,968 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:34:43,969 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:34:43,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:43 BoogieIcfgContainer [2025-01-09 12:34:43,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:34:43,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:34:43,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:34:43,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:34:43,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:34:42" (1/3) ... [2025-01-09 12:34:43,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc4295b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:43, skipping insertion in model container [2025-01-09 12:34:43,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (2/3) ... [2025-01-09 12:34:43,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc4295b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:43, skipping insertion in model container [2025-01-09 12:34:43,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:43" (3/3) ... [2025-01-09 12:34:43,980 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-74.i [2025-01-09 12:34:43,991 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:34:43,992 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-74.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:34:44,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:34:44,055 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6371be1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:34:44,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:34:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 12:34:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-09 12:34:44,079 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:44,080 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:44,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:44,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:44,087 INFO L85 PathProgramCache]: Analyzing trace with hash 997367281, now seen corresponding path program 1 times [2025-01-09 12:34:44,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:34:44,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383034883] [2025-01-09 12:34:44,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:44,106 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:34:44,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:34:44,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 12:34:44,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 12:34:44,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 12:34:44,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 12:34:44,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:44,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:34:44,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:34:44,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:34:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2025-01-09 12:34:44,367 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:34:44,367 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:34:44,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383034883] [2025-01-09 12:34:44,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383034883] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:34:44,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:34:44,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:34:44,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062873604] [2025-01-09 12:34:44,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:34:44,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:34:44,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:34:44,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:34:44,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:34:44,385 INFO L87 Difference]: Start difference. First operand has 53 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 12:34:44,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:34:44,409 INFO L93 Difference]: Finished difference Result 100 states and 166 transitions. [2025-01-09 12:34:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:34:44,411 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2025-01-09 12:34:44,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:34:44,415 INFO L225 Difference]: With dead ends: 100 [2025-01-09 12:34:44,415 INFO L226 Difference]: Without dead ends: 50 [2025-01-09 12:34:44,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:34:44,419 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 12:34:44,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:34:44,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-01-09 12:34:44,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-01-09 12:34:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 12:34:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2025-01-09 12:34:44,443 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 109 [2025-01-09 12:34:44,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:34:44,443 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2025-01-09 12:34:44,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 12:34:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2025-01-09 12:34:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-09 12:34:44,445 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:44,445 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:44,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-01-09 12:34:44,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:34:44,649 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:44,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:44,650 INFO L85 PathProgramCache]: Analyzing trace with hash 992561703, now seen corresponding path program 1 times [2025-01-09 12:34:44,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:34:44,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578712860] [2025-01-09 12:34:44,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:44,651 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:34:44,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:34:44,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 12:34:44,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 12:34:44,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 12:34:44,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 12:34:44,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:44,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:34:44,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 12:34:44,825 INFO L279 TraceCheckSpWp]: Computing forward predicates...